407187837

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2079

約数の個数: 64

約数和(自身を含む): 735068160

約数和(自身を除く): 327880323

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 141, 161, 189, 207, 329, 423, 483, 621, 987, 1081, 1269, 1449, 1993, 2961, 3243, 4347, 5979, 7567, 8883, 9729, 13951, 17937, 22701, 29187, 41853, 45839, 53811, 68103, 93671, 125559, 137517, 204309, 281013, 320873, 376677, 412551, 655697, 843039, 962619, 1237653, 1967091, 2154433, 2529117, 2887857, 5901273, 6463299, 8663571, 15081031, 17703819, 19389897, 45243093, 58169691, 135729279, 407187837]

約数ペア:

[(1, 407187837), (3, 135729279), (7, 58169691), (9, 45243093), (21, 19389897), (23, 17703819), (27, 15081031), (47, 8663571), (63, 6463299), (69, 5901273), (141, 2887857), (161, 2529117), (189, 2154433), (207, 1967091), (329, 1237653), (423, 962619), (483, 843039), (621, 655697), (987, 412551), (1081, 376677), (1269, 320873), (1449, 281013), (1993, 204309), (2961, 137517), (3243, 125559), (4347, 93671), (5979, 68103), (7567, 53811), (8883, 45839), (9729, 41853), (13951, 29187), (17937, 22701)]